TY - JOUR AU - Alexander V. Karapetyan AU - Alexander S. Kuleshov TI - The Routh theorem for mechanical systems with unknown first integrals JO - Theoretical and applied mechanics PY - 2017 SP - 169 EP - 180 VL - 44 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_2017_44_2_a4/ ID - TAM_2017_44_2_a4 ER -